872  
CDUS43 KLOT 210636  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
136 AM CDT THU JUN 21 2018  
 
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR JUNE 20 2018
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1905 TO 2018  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 77 329 PM 101 1988 83 -6 79  
MINIMUM 64 1159 PM 40 1926 60 4 54  
AVERAGE 71 71 0 67  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 1.55 1906 0.16 -0.14 0.09  
MONTH TO DATE 9.42 3.21 6.21 2.54  
SINCE JUN 1 9.42 3.21 6.21 2.54  
SINCE JAN 1 21.43 15.68 5.75 21.39  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE JUN 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 34.8 36.7 -1.9 22.1  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 1 29 -28 2  
SINCE JUN 1 1 29 -28 2  
SINCE JUL 1 6634 6567 67 5454  
 
COOLING  
YESTERDAY 6 7 -1 2  
MONTH TO DATE 118 97 21 168  
SINCE JUN 1 118 97 21 168  
SINCE JAN 1 233 152 81 204    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 7.0  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 200 AM  
LOWEST 74 300 PM  
AVERAGE 84  
   
......................................................
 
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 100 1988  
MINIMUM TEMPERATURE (F) 60 39 1992  
 
 
SUNRISE AND SUNSET  
JUNE 21 2018..........SUNRISE 520 AM CDT SUNSET 836 PM CDT  
JUNE 22 2018..........SUNRISE 520 AM CDT SUNSET 836 PM CDT  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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